=== HTTP code : 200 ===

HTTP/1.1 200 OK
Server: nginx/1.4.6 (Ubuntu)
Date: Wed, 08 Apr 2015 03:02:15 GMT
Content-Type: application/pdf
Content-Length: 130964
Last-Modified: Thu, 12 Feb 2015 18:06:43 GMT
Connection: close
ETag: "54dcebb3-1ff94"
Accept-Ranges: bytes


Link is valid.